drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c

   1 /*
   2  * Copyright 2016 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: AMD
  23  *
  24  */
  25
  26 #include "dm_services.h"
  27 #include "dm_helpers.h"
  28 #include "core_types.h"
  29 #include "resource.h"
  30 #include "dce/dce_hwseq.h"
  31 #include "dce110/dce110_hw_sequencer.h"
  32 #include "dcn21_hwseq.h"
  33 #include "vmid.h"
  34 #include "reg_helper.h"
  35 #include "hw/clk_mgr.h"
  36 #include "dc_dmub_srv.h"
  37 #include "abm.h"
  38 #include "link.h"
  39
  40 #define DC_LOGGER_INIT(logger)
  41
  42 #define CTX \
  43         hws->ctx
  44 #define REG(reg)\
  45         hws->regs->reg
  46
  47 #undef FN
  48 #define FN(reg_name, field_name) \
  49         hws->shifts->field_name, hws->masks->field_name
  50
  51 /* Temporary read settings, future will get values from kmd directly */
  52 static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config,
  53                 struct dce_hwseq *hws)
  54 {
  55         uint32_t page_table_base_hi;
  56         uint32_t page_table_base_lo;
  57
  58         REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
  59                         PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi);
  60         REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
  61                         PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo);
  62
  63         config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo;
  64
  65 }
  66
  67 int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
  68 {
  69         struct dcn_hubbub_phys_addr_config config;
  70
  71         config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
  72         config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
  73         config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
  74         config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
  75         config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
  76         config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
  77         config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
  78         config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
  79         config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
  80
  81         mmhub_update_page_table_config(&config, hws);
  82
  83         return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
  84 }
  85
  86 // work around for Renoir s0i3, if register is programmed, bypass golden init.
  87
  88 bool dcn21_s0i3_golden_init_wa(struct dc *dc)
  89 {
  90         struct dce_hwseq *hws = dc->hwseq;
  91         uint32_t value = 0;
  92
  93         value = REG_READ(MICROSECOND_TIME_BASE_DIV);
  94
  95         return value != 0x00120464;
  96 }
  97
  98 void dcn21_exit_optimized_pwr_state(
  99                 const struct dc *dc,
 100                 struct dc_state *context)
 101 {
 102         dc->clk_mgr->funcs->update_clocks(
 103                         dc->clk_mgr,
 104                         context,
 105                         false);
 106 }
 107
 108 void dcn21_optimize_pwr_state(
 109                 const struct dc *dc,
 110                 struct dc_state *context)
 111 {
 112         dc->clk_mgr->funcs->update_clocks(
 113                         dc->clk_mgr,
 114                         context,
 115                         true);
 116 }
 117
 118 /* If user hotplug a HDMI monitor while in monitor off,
 119  * OS will do a mode set (with output timing) but keep output off.
 120  * In this case DAL will ask vbios to power up the pll in the PHY.
 121  * If user unplug the monitor (while we are on monitor off) or
 122  * system attempt to enter modern standby (which we will disable PLL),
 123  * PHY will hang on the next mode set attempt.
 124  * if enable PLL follow by disable PLL (without executing lane enable/disable),
 125  * RDPCS_PHY_DP_MPLLB_STATE remains 1,
 126  * which indicate that PLL disable attempt actually didn't go through.
 127  * As a workaround, insert PHY lane enable/disable before PLL disable.
 128  */
 129 void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx)
 130 {
 131         if (!pipe_ctx->stream->dpms_off)
 132                 return;
 133
 134         pipe_ctx->stream->dpms_off = false;
 135         pipe_ctx->stream->ctx->dc->link_srv->set_dpms_on(context, pipe_ctx);
 136         pipe_ctx->stream->ctx->dc->link_srv->set_dpms_off(pipe_ctx);
 137         pipe_ctx->stream->dpms_off = true;
 138 }
 139
 140 static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst,
 141                 uint32_t option, uint32_t panel_inst, uint32_t pwrseq_inst)
 142 {
 143         union dmub_rb_cmd cmd;
 144         struct dc_context *dc = abm->ctx;
 145         uint32_t ramping_boundary = 0xFFFF;
 146
 147         memset(&cmd, 0, sizeof(cmd));
 148         cmd.abm_set_pipe.header.type = DMUB_CMD__ABM;
 149         cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE;
 150         cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = otg_inst;
 151         cmd.abm_set_pipe.abm_set_pipe_data.pwrseq_inst = pwrseq_inst;
 152         cmd.abm_set_pipe.abm_set_pipe_data.set_pipe_option = option;
 153         cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = panel_inst;
 154         cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary;
 155         cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data);
 156
 157         dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
 158
 159         return true;
 160 }
 161
 162 static void dmub_abm_set_backlight(struct dc_context *dc, uint32_t backlight_pwm_u16_16,
 163                                                                         uint32_t frame_ramp, uint32_t panel_inst)
 164 {
 165         union dmub_rb_cmd cmd;
 166
 167         memset(&cmd, 0, sizeof(cmd));
 168         cmd.abm_set_backlight.header.type = DMUB_CMD__ABM;
 169         cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
 170         cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp;
 171         cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_pwm_u16_16;
 172         cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1;
 173         cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_inst);
 174         cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data);
 175
 176         dm_execute_dmub_cmd(dc, &cmd, DM_DMUB_WAIT_TYPE_WAIT);
 177 }
 178
 179 void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx)
 180 {
 181         struct abm *abm = pipe_ctx->stream_res.abm;
 182         uint32_t otg_inst = pipe_ctx->stream_res.tg->inst;
 183         struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
 184         struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
 185
 186         if (dmcu) {
 187                 dce110_set_abm_immediate_disable(pipe_ctx);
 188                 return;
 189         }
 190
 191         if (abm && panel_cntl) {
 192                 if (abm->funcs && abm->funcs->set_pipe_ex) {
 193                         abm->funcs->set_pipe_ex(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE,
 194                                         panel_cntl->inst, panel_cntl->pwrseq_inst);
 195                 } else {
 196                                 dmub_abm_set_pipe(abm,
 197                                                 otg_inst,
 198                                                 SET_ABM_PIPE_IMMEDIATELY_DISABLE,
 199                                                 panel_cntl->inst,
 200                                                 panel_cntl->pwrseq_inst);
 201                 }
 202                 panel_cntl->funcs->store_backlight_level(panel_cntl);
 203         }
 204 }
 205
 206 void dcn21_set_pipe(struct pipe_ctx *pipe_ctx)
 207 {
 208         struct abm *abm = pipe_ctx->stream_res.abm;
 209         uint32_t otg_inst = pipe_ctx->stream_res.tg->inst;
 210         struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
 211         struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
 212
 213         if (dmcu) {
 214                 dce110_set_pipe(pipe_ctx);
 215                 return;
 216         }
 217
 218         if (abm && panel_cntl) {
 219                 if (abm->funcs && abm->funcs->set_pipe_ex) {
 220                         abm->funcs->set_pipe_ex(abm,
 221                                         otg_inst,
 222                                         SET_ABM_PIPE_NORMAL,
 223                                         panel_cntl->inst,
 224                                         panel_cntl->pwrseq_inst);
 225                 } else {
 226                                 dmub_abm_set_pipe(abm, otg_inst,
 227                                                 SET_ABM_PIPE_NORMAL,
 228                                                 panel_cntl->inst,
 229                                                 panel_cntl->pwrseq_inst);
 230                 }
 231         }
 232 }
 233
 234 bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
 235                 uint32_t backlight_pwm_u16_16,
 236                 uint32_t frame_ramp)
 237 {
 238         struct dc_context *dc = pipe_ctx->stream->ctx;
 239         struct abm *abm = pipe_ctx->stream_res.abm;
 240         struct timing_generator *tg = pipe_ctx->stream_res.tg;
 241         struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
 242         uint32_t otg_inst;
 243
 244         if (!abm && !tg && !panel_cntl)
 245                 return false;
 246
 247         otg_inst = tg->inst;
 248
 249         if (dc->dc->res_pool->dmcu) {
 250                 dce110_set_backlight_level(pipe_ctx, backlight_pwm_u16_16, frame_ramp);
 251                 return true;
 252         }
 253
 254         if (abm->funcs && abm->funcs->set_pipe_ex) {
 255                 abm->funcs->set_pipe_ex(abm,
 256                                         otg_inst,
 257                                         SET_ABM_PIPE_NORMAL,
 258                                         panel_cntl->inst,
 259                                         panel_cntl->pwrseq_inst);
 260         } else {
 261                 dmub_abm_set_pipe(abm,
 262                                   otg_inst,
 263                                   SET_ABM_PIPE_NORMAL,
 264                                   panel_cntl->inst,
 265                                   panel_cntl->pwrseq_inst);
 266         }
 267
 268         if (abm->funcs && abm->funcs->set_backlight_level_pwm)
 269                 abm->funcs->set_backlight_level_pwm(abm, backlight_pwm_u16_16,
 270                         frame_ramp, 0, panel_cntl->inst);
 271         else
 272                 dmub_abm_set_backlight(dc, backlight_pwm_u16_16, frame_ramp, panel_cntl->inst);
 273
 274         return true;
 275 }
 276
 277 bool dcn21_is_abm_supported(struct dc *dc,
 278                 struct dc_state *context, struct dc_stream_state *stream)
 279 {
 280         int i;
 281
 282         for (i = 0; i < dc->res_pool->pipe_count; i++) {
 283                 struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
 284
 285                 if (pipe_ctx->stream == stream &&
 286                                 (pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL))
 287                         return true;
 288         }
 289         return false;
 290 }
 291